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I have some prescription lenses that are polycarbonate. They have held up very well for about 3 years now. I do take a little extra care when cleaning them so I do not get a bunch of little swirly scratches. But overall, I would say I favor them over glass. I have both.

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I have some prescription lenses that are polycarbonate. They have held up very well for about 3 years now. I do take a little extra care when cleaning them so I do not get a bunch of little swirly scratches. But overall, I would say I favor them over glass. I have both.

Thanks Jpence. I just got my prescription this morning, I appreciate your you commenting on your plastic lenses.

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I was wondering how durable prescription plastic safety glass lenses are? Do they scratch easily? Are they prone to scratching just from cleaning them? Do you like yours?

I have glass lenses now, but they're to heavy, plastic might just be the ticket if they will stand up to grinding grit and flying power brush wires. thanks

Consider that plastic safety (polycarbonate) lenses are more impact resistant than standard plastic prescription lenses. But, polycarbonate is softer, therefore it is more prone to scratching. The useful life of all plastic lenses can be extended, if they are ALWAYS rinsed under flowing tap water before gently wiping with a facial tissue. I'm looking through 15 year old plastic progressive lenses as I type this, and they are still mostly scratch-free. I weld and I grind (but not like Miley).

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Consider that plastic safety (polycarbonate) lenses are more impact resistant than standard plastic prescription lenses. But, polycarbonate is softer, therefore it is more prone to scratching. The useful life of all plastic lenses can be extended, if they are ALWAYS rinsed under flowing tap water before gently wiping with a facial tissue. I'm looking through 15 year old plastic progressive lenses as I type this, and they are still mostly scratch-free. I weld and I grind (but not like Miley).

Good tip Goodhand and thanks for your opinion. My prescription glass lens safety glasses due to their weight are not my go to safety glasses.

I wear a face shield for grinding and power brushing since I have scratches on my cornea. I don't see the scratches but none the less they are there. My eye doc says she has seen scratches on other welders corneas as well. Even wearing safety glasses and a face shield I sometimes feel a hit on my eye but at least it's not a direct hit from the front.